How Many Degrees of Freedom Are There for the Critical $n = 23 , s _ { \mathrm { e } } = 2.302$

question 139

Multiple Choice

How many degrees of freedom are there for the critical value? The summary statistics for a certain set of points are: $n = 23 , s _ { \mathrm { e } } = 2.302$ ,
$\sum ( x - \bar { x } ) ^ { 2 } = 15.372$ , and $b _ { 1 } = 1.902$ . Assume the conditions of the linear model hold. A $99 \%$ confidence interval for $\beta _ { 1 }$ will be constructed.

• A)24
• B)23
• C)22
• D)21

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